Sci-Fi Movies

“What are you doing, Dave?” “There can only be one.”

(from Wikipedia): Science fiction film is a film genre that uses science fiction: speculative, science-based depictions of phenomena not necessarily accepted by mainstream science: extraterrestrial life forms, alien worlds, ESP and time travel, along with futuristic elements such as spacecraft, robots, cyborgs, space travel or other technologies. Science fiction films are often used to focus onpolitical or social issues, and to explore the human condition.